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Sauropia macrorhinus - a new triassic para-reptile from South America
Müller and colleagues describe a new procolophonid from the Santa Maria Super Sequence, Brazil, in Middle Triassic levels.
S. macrorhinus appears basal within the group and represents a gap in the fossil record from this area.
The new taxa is currently the smallest tetrapod discovered in South America, but precise phylogenetic assignment is impossible given the juvenile nature of the remains.
Müller, R.T., Roberto-da-Silva, L., Aurélio, P.L.P. et al. The smallest tetrapod from the Middle Triassic of South America: a new procolophonoid parareptile from the Ladinian of Southern Brazil. Sci Rep 16, 866 (2026). https://doi.org/10.1038/s41598-026-35114-3
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